CARIBOU IN THE PORCUPINE HERD AND OTHER ANIMALS, IN ALASKA AND ELSEWHERE, ARE NOW BEING TRACKED, AND THEIR ACTIONS RECORDED BY RADIO COLLARS WHICH SEND SIGNALS TO SATELLITES.
Collins, Florence Rucker.
CARIBOU IN THE PORCUPINE HERD AND OTHER ANIMALS, IN ALASKA AND ELSEWHERE, ARE NOW BEING TRACKED, AND THEIR ACTIONS RECORDED BY RADIO COLLARS WHICH SEND SIGNALS TO SATELLITES.